<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form class="reg" :model="formData" :rules="formRules" ref="formRef">
        <el-form-item prop="username">
          <el-input v-model="formData.username" prefix-icon="el-icon-user" placeholder="请输入用户名"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="formData.password" prefix-icon="el-icon-lock" placeholder="请输入密码"></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input v-model="formData.repassword" prefix-icon="el-icon-lock" placeholder="请确认密码"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" style="width:100%" @click="submitForm">注册</el-button>
          <el-link>登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  name: "Reg",

  data() {
    // 自定义校验规则函数
    // callback()
    // -如果失败，callback(new Error ('错误的描述'))
    // -如果成功, callback() 放行，如果没有callback那么程序就卡在当前这个位置，校验就无法获取结果
    var samePwd = (rule, value, callback) => {
      if (value === "") {
        console.log(value, "value");
        callback(new Error("请再次输入密码"));
      } else if (value !== this.formData.password) {
        callback(new Error("两次输入密码不一致!"));
      } else {
        callback();
      }
    };
    return {
      formData: {
        username: "",
        password: "",
        repassword: ""
      },

      //   表单的验证规则对象，存储了所有的验证规则
      formRules: {
        username: [
          { required: true, message: "请输入用户名称", tigger: "blur" },
          {
            pattern: /^[0-9a-zA-Z]{1,10}$/,
            message: "请输入长度为1~10的字母数字",
            trigger: "blur"
          }
        ],
        password: [
          { required: true, message: "请输入密码", tigger: "blur" },
          {
            pattern: /^\S{6,15}$/,
            message: "请输入长度为6~15非空字符串",
            trigger: "blur"
          }
        ],
        // 校验确认密码
        repassword: [
          { required: true, message: "请确认密码", tigger: "blur" },
          {
            pattern: /^\S{6,15}$/,
            message: "请输入长度为6~15非空字符串",
            trigger: "blur"
          },
          { validator: samePwd, trigger: "blur" } //validator 调用自定义校验规则函数
        ]
      }
    };
  },
  methods: {
    submitForm() {
      // this.$refs.formRef 获取form组件，使用form组件调用validate(函数)
      this.$refs.formRef.validate(async valid => {
        // 所有的校验通过了，返回才是true
        if (!valid) return
          // 校验通过，发送请求
        const { data: res } = await this.$http.post("/api/reg",this.formData);
        console.log('res',res);
        //   判断是否注册成功
        if (res.code !== 0) return this.$message.error(res.message)
            // 跳转到登录页 this.$touter
            this.$router.push("/login");
          
            // 注册成功
            this.$message.success(res.message)
          
        
      });
    }
  }
};
</script>
<style lang='less' scoped>
.reg {
  padding: 0 20px;
}
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }
  }
}
</style>